Mass communications / 
edited by Wilbur Schramm. 
 - Urbana :  University of Illinois press,  c 1949. 
 - xi, 552 p. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>392  392 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Social aspects.<br/>Communications.
<br/><br/><label>Dewey Class. No.: </label>384 / S69m